
Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Routers, Local Area Networks, Hardening, Virtual Private Networks (VPN), Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Systems, Linux, Linux Commands, Operating Systems, Shell Script, File Systems, OS Process Management, Build Tools, C and C++, Cross Platform Development, Debugging, Electrical Engineering
Advanced · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Linux Administration, Unix Commands, Data Storage, Operating Systems, Remote Access Systems, Operating System Administration, TCP/IP, File Management, Service Management, General Networking, DevOps, Network Security, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Red Hat Enterprise Linux, Linux, Operating System Administration, Linux Commands, Virtualization, Systems Administration, Virtualization and Virtual Machines, Virtual Machines, Cloud Computing, System Monitoring, Software Installation, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, Linux Servers, OS Process Management, Command-Line Interface, File Management, Unix Shell, System Monitoring, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Bash (Scripting Language), Shell Script, File Management, Linux, Unix Commands, Linux Servers, Scripting, Command-Line Interface, Ubuntu, Scripting Languages, Unix, Operating Systems, Network Protocols, Automation, Software Installation
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Integration, Data Analysis, Data Mining, Data-Driven Decision-Making, Data Modeling, Data Governance, Business Analytics, Data Visualization, Statistical Analysis, Dashboard, Data Warehousing, Data Storage, Data Security, Data Quality, Descriptive Statistics, Data Cleansing, Data Integrity, Relational Databases, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Cloud Platforms, Virtual Machines, General Networking, Network Administration, Network Security, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Networking Hardware
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Linux, Linux Administration, Linux Commands, File Management, User Accounts, OS Process Management, Unix Commands, Unix Shell, Command-Line Interface, General Networking, Shell Script, Operating Systems, Remote Access Systems, Network Administration, Scripting, Scripting Languages, System Monitoring
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Operating System Administration, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Security Controls, Operating Systems, File Management
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Threat Management, Threat Modeling, Vulnerability Assessments, Incident Response, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Regulation and Legal Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Compliance Management, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Software-Defined Networking
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Performance Tuning, Virtualization, Virtual Machines, Data Storage, Cloud Applications, Security Controls, Hardware Architecture, Infrastructure Architecture, Artificial Intelligence, Scalability
Beginner · Course · 1 - 3 Months